Berbel BWH 90 GL, Operating And Installation Instructions

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14
Installation
6005737_0 – 31.03.2021
3.5.5 Connect accessories
Depending on the installation situation, available accessories
may be connected to the hood, e.g.:
y Wall box
y Window contact switch
y Control flap
y Recirculated air filter permalyt
Observe the instructions for the accessories.
D ATTENTION!
Danger of damage due to improper connection!
Applied voltage or defective connections can result in
damage to the electronics.
☞
Ensure that the power supply is switched off and remains
so.
☞
Ensure correct assignment of the connections.
☞
Make sure that the accessories plugs are fully inserted.
A
B
C
A Jack socket - for connection of wall box, control flap or
recirculated air filter permalyt.
B DC power socket - for connecting a window contact
switch.
C Connection socket (RJ45) – BUS interface for connection
with special accessories of the manufacturer.
Connection with a PC or other devices is not permitted.
Wall box
y
The wall box is closed when the control contacts are
open.
y
The wall box is open when the control contacts are
closed.
Window contact switch
y
The hood‘s fan is only operational when the window is
open.
Safety device
y
The hood‘s fan is only operational when no critical under-
pressure is determined in the room.
☞
Connect any available accessories.
☞
Route the cable such that it is not kinked, crushed or
damaged and so that it will not get in the way when
replacing the filter filling.
3.5.6 Fitting the BackFlow port
The BackFlow port is installed with the following operating
modes:
y Recirculated air mode
y Extracted air mode with BackFlow technology
y Hybrid mode
Use of the BackFlow port has effects on the energy efficiency
of the device.
D “2.1 Functional principle” (page 5).
2.
1.
☞
Fit the BackFlow port on the fan outlet.
☞
Secure the BackFlow port by turning slightly to the right.